20850777

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{4363}}^1$

素因数の和:4434

約数の個数: 20

約数和(自身を含む): 31682640

約数和(自身を除く): 10831863

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4363, 4779, 13089, 39267, 117801, 257417, 353403, 772251, 2316753, 6950259, 20850777]

約数ペア:

[(1, 20850777), (3, 6950259), (9, 2316753), (27, 772251), (59, 353403), (81, 257417), (177, 117801), (531, 39267), (1593, 13089), (4363, 4779)]